If diabetes is complicated by tuberculosis, it is necessary to apply insulin therapy, which can significantly improve the absorption time of lesions than oral hypoglycemic drugs, and should control fasting blood sugar below 7.8 mmol/L and 2 hours after meal below 10.0 mmol/L. For people with mild disease and no symptoms of tuberculosis intoxication, diet control plus oral hypoglycemic drugs can be considered, and insulin therapy should be used for medium and heavy diabetes until the tuberculosis disease is controlled and then changed to oral hypoglycemic drugs for maintenance in order to facilitate good control of the disease. For people taking oral anti-tuberculosis drugs, if they take glucose-lowering drugs at the same time, especially insulin sensitizers, such as rosiglitazone, pioglitazone and other such drugs that can have a significant impact on liver and kidney function. Therefore, if there are conditions, you should review the liver and kidney function at least two weeks, if there are abnormalities, you should promptly adjust the drugs, if there are abnormalities in the kidney function, oral drugs can choose glipizide, etc.; secondly, if there are obvious abnormalities in the liver and kidney function, it is recommended to consider insulin therapy as appropriate. Of course, also pay attention to the control of diet, as far as possible, choose light, easy to digest food is appropriate. To prevent the occurrence of infection.